<mat-card>
  <mat-card-title>人群消费能力分布TOP3</mat-card-title>
  <mat-card-content>
    <ngx-charts-pie-chart *ngIf="data?.length"
                          [scheme]="colorScheme"
                          [results]="data"
                          [legend]="showLegend"
                          [explodeSlices]="explodeSlices"
                          [labels]="showLabels"
                          [doughnut]="doughnut"
                          (select)="onSelect($event)">
    </ngx-charts-pie-chart>
  </mat-card-content>
</mat-card>
